0 interactions for Memantine Hydrochloride And Donepezil Hydrochloride - Memantine Hydrochloride And Donepezil Hydrochloride capsule, Extended Release®A therapy excluded from this list of known interactions does not necessarily mean that no interactions exist between that therapy and and Memantine Hydrochloride And Donepezil Hydrochloride - Memantine Hydrochloride And Donepezil Hydrochloride capsule, Extended Release®.